I just generated this invitation link yesterday. It can be used up to 100 times and won’t expire until January 2026. When the issue occurred last night, the link had only been used 15 times, so it wasn’t an expiration problem. I looked up similar issues in the community and reverted some of the website text I had modified yesterday back to its default state. I’m not sure which action exactly worked, but the activation link became accessible again. However, this issue is quite strange—it means I can’t casually make changes to my website text…